Vmaxtanks V28-800S 12V 28AH AGM deep cycle SLA battery for Use with trolling motors, PV Solar Panel wind turbine gas or electric power backup 12V 28Ah AGM Deep Cycle Battery, 6.5"L x 6.9"W x 5"H Military Grade custom made plates Float Service Life span of 8 to 10 years Designed for 99% recombination capabilities; no dangerous fumes or gases. 12 months warranty offered by VMAXTANKS or bargainshore (Amazon Authorized seller). Bargainshore offers FREE Signature Confirmation on most bulky orders in excess of $150.00. You can waive the Signature Confirmation by sending us a message with your request when placing your order. Orders of 5 or more batteries shipped on a pallet must be signed for when delivered. A contact number is required to schedule pallet delivery.